class LazzorManager(object):
def __init__(self, config_file_path):
config = ConfigParser.RawConfigParser()
config.read(config_file_path)
self._logger = logging.getLogger(__name__)
self._ui = UI("lazzormanagement\nbooting...")
user_config_file_path = os.path.dirname(config_file_path) + \
os.path.sep + config.get('Users', 'users_file')
self._user_manager = UserManager(user_config_file_path)
self._lazzor = Lazzor()
while True:
try:
self._upay_session_manager = nupay.SessionManager(config)
break
except nupay.SessionConnectionError as e:
self._logger.warning("Can not reach the database")
self._ui.warning_database_connection(timeout = 5)
except nupay.TimeoutError as e:
self._logger.warning("Timeout while connection to the database")
self._ui.warning_database_connection(timeout = 5)
self._ui.notify_try_again()
self._token_reader = nupay.USBTokenReader()
def _login(self):
while True:
user = self._ui.choose_user(self._user_manager.users)
passcode = self._ui.get_passcode(user.username)
passcode_ok = self._user_manager.check_passcode(user, passcode)
if passcode_ok == False:
self._ui.notify_bad_passcode(user.timeout)
elif user.active == False:
self._ui.notify_inactive_user(user.username)
else:
self._logger.debug("Leaving user selection mode")
return user
def _activate_laser(self, user):
def ui_update(session):
if session.credit % 5 == 0:
self._ui.update_credit(session.credit)
self._logger.info("Waiting for USB stick with purse")
self._ui.notify_waiting_for_usb()
while True:
try:
tokens = self._token_reader.read_tokens()
break
except nupay.NoTokensAvailableError:
if self._ui.check_button_pressed():
self._ui.wait_for_buttons()
return
time.sleep(1)
self._logger.info("Read %d tokens"%len(tokens))
self._ui.notify_credit()
try:
with self._upay_session_manager.create_session() as session:
session.validate_tokens(tokens, ui_update)
self._ui.update_credit(session.credit)
self._logger.info("Balance is %.02f Eur" % session.credit)
self._ui.wait_for_ok()
if session.credit > 0:
self._run_payment_loop(session)
except nupay.SessionConnectionError as e:
self._logger.warning("Databse connection could not be estalished")
self._ui.warning_database_connection(timeout = 5)
except nupay.TimeoutError:
self._logger.warning("Databse connection timed out")
self._ui.warning_database_connection(timeout = 5)
finally:
self._lazzor.lock_laser()
def _run_payment_loop(self, session):
total_on_time = 0
prev_on_time = 0
paid_time = 0
minute_cost = Decimal(0.5)
sub_total = Decimal(0)
self._ui.active_screen()
self._lazzor.lock_laser()
self._lazzor.reset_consumption_timer()
while self._token_reader.medium_valid:
if total_on_time > paid_time:
self._logger.info("Getting more money")
try:
session.cash(minute_cost)
sub_total += minute_cost
paid_time += 60
except nupay.NotEnoughCreditError:
self._lazzor.sound_alarm_tone()
self._logger.warning("Not enough credit available")
self._ui.warning_low_credit(timeout = 30)
self._lazzor.silence_alarm_tone()
break
except nupay.TimeoutError:
self._logger.warning("Databse connection timed out")
self._lazzor.sound_alarm_tone()
self._ui.warning_database_connection(timeout = 30)
self._lazzor.silence_alarm_tone()
break
if not self._lazzor.is_laser_unlocked and self._ui.is_turn_on_key_pressed:
self._logger.info("Laser is locked, user wants to turn it on")
self._lazzor.unlock_laser()
sub_total = 0
if self._lazzor.is_laser_unlocked and self._ui.is_turn_off_key_pressed:
self._logger.info("Laser is unlocked, user wants to turn it off")
self._lazzor.lock_laser()
prev_on_time += self._lazzor.get_consumption_timer()
self._lazzor.reset_consumption_timer()
if self._ui.is_exit_key_pressed:
break
time.sleep(.1)
total_on_time = self._lazzor.get_consumption_timer() + prev_on_time
self._ui.update_active_screen(self._lazzor.get_consumption_timer(), total_on_time,
sub_total, session.total, session.credit, self._lazzor.is_laser_unlocked)
if not self._token_reader.medium_valid:
self._logger.warning("Token medium vanished. Aborting.")
def _change_passcode(self, user):
pass
def run(self):
while True:
user = self._login()
while True:
options = ["Activate Laser", "Logout", "Change Passcode"]
option = self._ui.choose_option("Action:", options)
if option == "Logout":
break
if option == "Activate Laser":
self._activate_laser(user)
if option == "Change Passcode":
self._change_passcode(user)